201044420042 has 8 divisors (see below), whose sum is σ = 301569479616. Its totient is φ = 100521260172.

The previous prime is 201044420041. The next prime is 201044420051. The reversal of 201044420042 is 240024440102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201044420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171608 + ... + 656915.

It is an arithmetic number, because the mean of its divisors is an integer number (37696184952).

Almost surely, 2^201044420042 is an apocalyptic number.

201044420042 is a deficient number, since it is larger than the sum of its proper divisors (100525059574).

201044420042 is a wasteful number, since it uses less digits than its factorization.

201044420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949852.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 201044420042 its reverse (240024440102), we get a palindrome (441068860144).

The spelling of 201044420042 in words is "two hundred one billion, forty-four million, four hundred twenty thousand, forty-two".